Add mmap64 command

src/Makefile

@@ -1,4 +1,4 @@
 SRC := $(shell find ./ -name '*.c')
 
 divinus:
-	$(CC) $(SRC) -I src -rdynamic -Wl,--wrap=mmap $(OPT) -o ../$@
+	$(CC) $(SRC) -I src -rdynamic $(OPT) -o ../$@

src/compat.c

@@ -16,9 +16,10 @@ float __expf_finite(float x) { return expf(x); }
 int __fgetc_unlocked(FILE *stream) { return fgetc(stream); }
 double __log_finite(double x) { return log(x); }
 
-void* mmap(void *start, size_t len, int prot, int flags, int fd, uint32_t off) {
+void *mmap(void *start, size_t len, int prot, int flags, int fd, uint32_t off) {
+    return (void*)syscall(SYS_mmap2, start, len, prot, flags, fd, off >> 12);
+}
+
+void *mmap64(void *start, size_t len, int prot, int flags, int fd, off_t off) {
     return (void*)syscall(SYS_mmap2, start, len, prot, flags, fd, off >> 12);
 }
-void* __wrap_mmap(void *start, size_t len, int prot, int flags, int fd, uint32_t off) {
-    return mmap(start, len, prot, flags, fd, off);
-}

src/hal/support.c

@@ -1,7 +1,5 @@
 #include "support.h"
 
-extern void* __real_mmap();
-
 void *isp_thread = NULL;
 void *venc_thread = NULL;
 
@@ -34,7 +32,7 @@ bool hal_registry(unsigned int addr, unsigned int *data, hal_register_op op) {
 
     volatile char *mapped_area;
     if (offset != loaded_offset) {
-        mapped_area = __real_mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, mem_fd, offset);
+        mapped_area = mmap64(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, mem_fd, offset);
         if (mapped_area == MAP_FAILED) {
             fprintf(stderr, "hal_registry mmap error: %s (%d)\n",
                     strerror(errno), errno);
@@ -116,4 +114,4 @@ void hal_identify(void) {
     chnState = (hal_chnstate*)v4_state;
     isp_thread = v4_image_thread;
     venc_thread = v4_video_thread;
-}
+}

src/hal/support.h

@@ -33,4 +33,6 @@ extern void *i6f_encoder_thread(void);
 extern hal_chnstate i6f_state[I6F_VENC_CHN_NUM];
 
 bool hal_registry(unsigned int addr, unsigned int *data, hal_register_op op);
-void hal_identify(void);
+void hal_identify(void);
+
+void *mmap64(void *start, size_t len, int prot, int flags, int fd, off_t off);